Sea Caves Watch

Data Description

Wave Height

Wave heights reported are the significant wave height. The significant wave height is the most commonly reported wave height. Mathematically, the significant wave height is defined as the average of the top third largest waves.

Max Wave

Maximum wave height is the largest measured wave in a 10 minute period. When a maximum wave is greater than 2 times the significant wave height,the record is flagged as a freak wave.

Temperature -

Water temperature is measured approximately 10 ft below the surface in 20 ft of water infront of the Mainland Sea Caves.

Period -

Wave Period is how long between successive wave crests in seconds.

Wind -

Wind data is downloaded from the NOAA website for the wind
measured at Devil's Island (link below)

Very high waves with overhanging crests. Large patches of foam from wave crests give the sea a white appearance. Considerable tumbling of waves with heavy impact. Large amounts of airborne spray reduce visibility.

11

Violent Storm

64-72

37-52

Exceptionally high waves. Very large patches of foam, driven before the wind, cover much of the sea surface. Very large amounts of airborne spray severely reduce visibility.

12

Hurricane

>73

>46

Huge waves. Sea is completely white with foam and spray. Air is filled with driving spray, greatly reducing visibility.

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